Global Patent Index - EP 1761373 B1

EP 1761373 B1 20080709 - FACING MACHINE FOR LARGE PLATES OF NATURAL STONE, LIKE GRANITE AND HARD STONES

Title (en)

FACING MACHINE FOR LARGE PLATES OF NATURAL STONE, LIKE GRANITE AND HARD STONES

Title (de)

KALIBRIERMASCHINE FÜR GROSSE NATURSTEINPLATTEN WIE GRANIT ODER HARTEN STEIN

Title (fr)

MACHINE A REDRESSER UTILISEE AVEC DE GRANDES PLAQUES DE ROCHE NATURELLE, PAR EXEMPLE DE GRANIT ET DE PIERRES DURES

Publication

EP 1761373 B1 20080709 (EN)

Application

EP 04720965 A 20040316

Priority

IT 2004000128 W 20040316

Abstract (en)

[origin: WO2005087470A1] The facing machine for large plates of natural stone, e.g. granite and hard stone slabs, comprises: a pair of rollers driven rotatively about a transverse axis to the slab direction of advance and mounted at a work surface grooving station; wherein the rollers consist of a plurality of cutting disks (1) having the same working diameter or being adjustable in height so as to compensate for minor variations in the roller diameters; wherein the cutting disks are fitted with diamond tool teeth (2) and aligned together in spaced apart relationship across the slab width so as to intermesh with the cutting disks of a leading/trailing one of the rollers; and wherein the slabs (20) are transported on a belt conveyor to a subsequent facing station where the ridges between grooves are removed; and has at least one of said rollers (3, 4) provided with an adjuster (14, 15) for setting its position relative to the other of said rollers and to a holding structure (9) along a transverse direction to the slab direction (A) of advance on said belt conveyor, for the purpose of allowing full (27) or partial (27 and 28) or no (28) interleave between grooves cut by said disks, according to the width of a slab being processed.

IPC 8 full level

B28D 1/18 (2006.01); B24B 7/22 (2006.01); B24B 41/047 (2006.01); B28D 1/04 (2006.01); B28D 1/20 (2006.01)

CPC (source: EP)

B24B 7/22 (2013.01); B24B 41/047 (2013.01); B28D 1/048 (2013.01); B28D 1/18 (2013.01); B28D 1/20 (2013.01)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

WO 2005087470 A1 20050922; AT E400417 T1 20080715; BR PI0418612 A 20070502; DE 602004014997 D1 20080821; EP 1761373 A1 20070314; EP 1761373 B1 20080709; ES 2309512 T3 20081216

DOCDB simple family (application)

IT 2004000128 W 20040316; AT 04720965 T 20040316; BR PI0418612 A 20040316; DE 602004014997 T 20040316; EP 04720965 A 20040316; ES 04720965 T 20040316